Possible Clues:

• The sailor's fears are disguised
• Jason, for one
• Sort of traveller in the distance, wise man coming around
• Sailor's view less biased, it's said
• Jack's son always goes round at a distance
• Sailor and prophet to traverse afar
• 'Mariner, sailor (8)'
• Columbus or Sinbad, e.g.
• Salt food served in main restaurant at first?
• Salt produced by burn on outside of food